[Q] NANDROID backup directly to PC

Hey,
I'm looking for the commands to make an NANDROID backup directly to my pc like Skipsoft's toolkit can do. Unfortunately, my old version of the Nexus 4 toolkit (version 2.0.0) won't work with my G2, because for some reason it can't detect that USB debugging is activated. Does anybody know which commands have to be used? (No hints for adb pull, USB OTG or backing up of the whole memory block, it has to be compatible with TWRP or CWM!)

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